loongson/pypi: links for pushjack-http2

loongson/mirror pushjack_http2-2.1.0.tar.gz
loongson/mirror pushjack_http2-2.1.0-py2.py3-none-any.whl
loongson/mirror pushjack_http2-2.0.1.tar.gz
loongson/mirror pushjack_http2-2.0.1-py2.py3-none-any.whl
loongson/mirror pushjack_http2-2.0.0.tar.gz
loongson/mirror pushjack_http2-2.0.0-py2.py3-none-any.whl